FreeSWITCH is a powerful, open-source telephony platform designed to build robust and scalable communication systems. It enables developers and businesses to create voice, video, and messaging applications, as well as private branch exchange (PBX) systems, with high customization and flexibility.

Features of FreeSWITCH PBX:

• Support for multiple communication protocols, including SIP, WebRTC, and H.323.
• Advanced call routing, conferencing, and IVR (Interactive Voice Response) capabilities.
• Integration with a wide range of third-party systems and APIs for enhanced functionality.
• High scalability for both small-scale setups and large enterprise deployments.
• Comprehensive logging, debugging, and monitoring tools for system management.
• Customizable modules to meet specific communication needs.

To check your FreeSWITCH version, run $ /usr/local/freeswitch/bin/freeswitch -version in your terminal.

Disclaimer: FreeSWITCH is released under the Mozilla Public License (MPL). Users are responsible for understanding the licensing terms and ensuring compliance. FreeSWITCH is provided "as is" without any warranty.